ISRC DEF057930709
Verified recording
DEF057930709 is “Tosca, Act I: Ah, quegli occhi – Qual occhio al mondo – Mia gelosa! (Love Duet)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x613c6482d59b127695cb31dc404a576057cc0276c8cb95d9f0a838a2ec6071b6 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930709.
Recording identifiers
- ISRC
- DEF057930709
- Title
- Tosca, Act I: Ah, quegli occhi – Qual occhio al mondo – Mia gelosa! (Love Duet)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x613c6482d59b127695cb31dc404a576057cc0276c8cb95d9f0a838a2ec6071b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:fffda65d597b76d3f5d28c84b9d0f88f9e0cb208db1a851a6d8f5eb469c9e846- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930709
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tosca, Act I: Ah, quegli occhi – Qual occhio al mondo – Mia gelosa! (Love Duet) · Machine-readable JSON-LD